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Title: The Hooghly croaker, Panna heterolepis Trewavas, 1977: Identification through morphometric and meristic characteristics
Authors: Sabbir, W
Hossain, M Y
Rahman, M Ashekur
Rahman, M Ataur
Islam, M A
Khan, N N
Chowdhury, A
Hasan, M R
Mawa, Z
Keywords: Bangladesh;Meristic;Bay of Bengal;Morphometric;Panna heterolepis
Issue Date: Jun-2021
Publisher: NIScPR-CSIR, India
Abstract: As morphometric information for Hooghly croaker Panna heterolepis Trewavas, 1977 is absent in the most extensively accessed and world’s largest online database for fishes (FishBase); this study was undertaken to provide the complete informative description on morphometric relationships and meristic counts of various fin rays. A total of 200 individuals were sampled from the Bay of Bengal (Bangladesh) during July 2018 to June 2019, using several traditional fishing gears. Meristic counts were computed using a magnifying glass. Body weight (BW) and several length measurements were taken through an electronic balance and digital slide calipers for each individual. LWRs (Length-weight relationships) were calculated as: W = a×Lb. All LWRs and LLRs (length-length relationships) were found significant with r2 ≥ 0.919 (p < 0.0001) and 0.928 (p < 0.001), respectively. BW vs. TL and TL vs. SL were the best fitted models for LWRs and LLRs, respectively. Fin formula was: dorsal, D. 43–55 (VIII–X+i/34–44); pectoral, P. 15-17 (i/14–16); pelvic, Pv. 6 (I/5); anal, A. 7–10 (II/5–8); and caudal, C. 17–19 (ii/15–17). These results will a) make a vital contribution for species identification in the marine and coastal waters of Bangladesh and adjoining countries, and b) provide information for Fish Base.
Page(s): 502-506
ISSN: 2582-6727 (Online); 2582-6506 (Print)
Appears in Collections:IJMS Vol.50(06) [June 2021]

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